Colorado Plant Database

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SLENDER WHEATGRASS - Elymus trachycaulus

IMAGE
Copyright:Dave Powell, USDA Forest Service, www.forestryimages.org

IDENTIFICATION
Common Name: SLENDER WHEATGRASS
Scientific Name: Elymus trachycaulus
Derivation: trachycaulus - rough-stemmed.
Family: Grass - Poaceae
Species Characteristics: blue-green foliage; not over 2 feet tall; spikelets appressed (lying flat against).
Mature Height: to 18 inches.
Flower Cluster: spike (elongated flower cluster with unstalked flowers along a main axis).
Fruit Type: caryopsis or grain (small, dry, indehiscent - does not open upon maturity - fruit with a thin wall surrounding and fused to a single seed).
Leaf Type: simple (not divided into similar parts).
Leaf/Leaflet Shape: linear (flat and narrow with parallel margins).
ECOLOGY
Origin: native
Frequency: common
Growth Form: bunch grass
Life Cycle: perennial
Class: angiosperm (plant with covered seed).
SubClass: monocot (plants with one seed leaf and parallel veins).
Life Zone: plains to alpine
Habitat: roadsides, disturbed areas.
Eco. Relationships: subsp. andinus is found in Colorado.

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Version: 2.7.0      Release Date: January 2014       ©2010 Jefferson County ITS

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